dist/missing

   1 #! /bin/sh
   2 # Common stub for a few missing GNU programs while installing.
   3 # Copyright (C) 1996, 1997, 1999 Free Software Foundation, Inc.
   4 # Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
   5
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2, or (at your option)
   9 # any later version.
  10
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  19 # 02111-1307, USA.
  20
  21 if test $# -eq 0; then
  22   echo 1>&2 "Try \`$0 --help' for more information"
  23   exit 1
  24 fi
  25
  26 run=:
  27
  28 case "$1" in
  29 --run)
  30   # Try to run requested program, and just exit if it succeeds.
  31   run=
  32   shift
  33   "$@" && exit 0
  34   ;;
  35 esac
  36
  37 # If it does not exist, or fails to run (possibly an outdated version),
  38 # try to emulate it.
  39 case "$1" in
  40
  41   -h|--h|--he|--hel|--help)
  42     echo "\
  43 $0 [OPTION]... PROGRAM [ARGUMENT]...
  44
  45 Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
  46 error status if there is no known handling for PROGRAM.
  47
  48 Options:
  49   -h, --help      display this help and exit
  50   -v, --version   output version information and exit
  51   --run           try to run the given command, and emulate it if it fails
  52
  53 Supported PROGRAM values:
  54   aclocal      touch file \`aclocal.m4'
  55   autoconf     touch file \`configure'
  56   autoheader   touch file \`config.h.in'
  57   automake     touch all \`Makefile.in' files
  58   bison        create \`y.tab.[ch]', if possible, from existing .[ch]
  59   flex         create \`lex.yy.c', if possible, from existing .c
  60   lex          create \`lex.yy.c', if possible, from existing .c
  61   makeinfo     touch the output file
  62   tar          try tar, gnutar, gtar, then tar without non-portable flags
  63   yacc         create \`y.tab.[ch]', if possible, from existing .[ch]"
  64     ;;
  65
  66   -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
  67     echo "missing 0.2 - GNU automake"
  68     ;;
  69
  70   -*)
  71     echo 1>&2 "$0: Unknown \`$1' option"
  72     echo 1>&2 "Try \`$0 --help' for more information"
  73     exit 1
  74     ;;
  75
  76   aclocal)
  77     echo 1>&2 "\
  78 WARNING: \`$1' is missing on your system.  You should only need it if
  79          you modified \`acinclude.m4' or \`configure.in'.  You might want
  80          to install the \`Automake' and \`Perl' packages.  Grab them from
  81          any GNU archive site."
  82     touch aclocal.m4
  83     ;;
  84
  85   autoconf)
  86     echo 1>&2 "\
  87 WARNING: \`$1' is missing on your system.  You should only need it if
  88          you modified \`configure.in'.  You might want to install the
  89          \`Autoconf' and \`GNU m4' packages.  Grab them from any GNU
  90          archive site."
  91     touch configure
  92     ;;
  93
  94   autoheader)
  95     echo 1>&2 "\
  96 WARNING: \`$1' is missing on your system.  You should only need it if
  97          you modified \`acconfig.h' or \`configure.in'.  You might want
  98          to install the \`Autoconf' and \`GNU m4' packages.  Grab them
  99          from any GNU archive site."
 100     files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' configure.in`
 101     test -z "$files" && files="config.h"
 102     touch_files=
 103     for f in $files; do
 104       case "$f" in
 105       *:*) touch_files="$touch_files "`echo "$f" |
 106                                        sed -e 's/^[^:]*://' -e 's/:.*//'`;;
 107       *) touch_files="$touch_files $f.in";;
 108       esac
 109     done
 110     touch $touch_files
 111     ;;
 112
 113   automake)
 114     echo 1>&2 "\
 115 WARNING: \`$1' is missing on your system.  You should only need it if
 116          you modified \`Makefile.am', \`acinclude.m4' or \`configure.in'.
 117          You might want to install the \`Automake' and \`Perl' packages.
 118          Grab them from any GNU archive site."
 119     find . -type f -name Makefile.am -print |
 120            sed 's/\.am$/.in/' |
 121            while read f; do touch "$f"; done
 122     ;;
 123
 124   bison|yacc)
 125     echo 1>&2 "\
 126 WARNING: \`$1' is missing on your system.  You should only need it if
 127          you modified a \`.y' file.  You may need the \`Bison' package
 128          in order for those modifications to take effect.  You can get
 129          \`Bison' from any GNU archive site."
 130     rm -f y.tab.c y.tab.h
 131     if [ $# -ne 1 ]; then
 132         eval LASTARG="\${$#}"
 133         case "$LASTARG" in
 134         *.y)
 135             SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
 136             if [ -f "$SRCFILE" ]; then
 137                  cp "$SRCFILE" y.tab.c
 138             fi
 139             SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
 140             if [ -f "$SRCFILE" ]; then
 141                  cp "$SRCFILE" y.tab.h
 142             fi
 143           ;;
 144         esac
 145     fi
 146     if [ ! -f y.tab.h ]; then
 147         echo >y.tab.h
 148     fi
 149     if [ ! -f y.tab.c ]; then
 150         echo 'main() { return 0; }' >y.tab.c
 151     fi
 152     ;;
 153
 154   lex|flex)
 155     echo 1>&2 "\
 156 WARNING: \`$1' is missing on your system.  You should only need it if
 157          you modified a \`.l' file.  You may need the \`Flex' package
 158          in order for those modifications to take effect.  You can get
 159          \`Flex' from any GNU archive site."
 160     rm -f lex.yy.c
 161     if [ $# -ne 1 ]; then
 162         eval LASTARG="\${$#}"
 163         case "$LASTARG" in
 164         *.l)
 165             SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
 166             if [ -f "$SRCFILE" ]; then
 167                  cp "$SRCFILE" lex.yy.c
 168             fi
 169           ;;
 170         esac
 171     fi
 172     if [ ! -f lex.yy.c ]; then
 173         echo 'main() { return 0; }' >lex.yy.c
 174     fi
 175     ;;
 176
 177   makeinfo)
 178     echo 1>&2 "\
 179 WARNING: \`$1' is missing on your system.  You should only need it if
 180          you modified a \`.texi' or \`.texinfo' file, or any other file
 181          indirectly affecting the aspect of the manual.  The spurious
 182          call might also be the consequence of using a buggy \`make' (AIX,
 183          DU, IRIX).  You might want to install the \`Texinfo' package or
 184          the \`GNU make' package.  Grab either from any GNU archive site."
 185     file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
 186     if test -z "$file"; then
 187       file=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
 188       file=`sed -n '/^@setfilename/ { s/.* \([^ ]*\) *$/\1/; p; q; }' $file`
 189     fi
 190     touch $file
 191     ;;
 192
 193   tar)
 194     shift
 195     if test -n "$run"; then
 196       echo 1>&2 "ERROR: \`tar' requires --run"
 197       exit 1
 198     fi
 199
 200     # We have already tried tar in the generic part.
 201     # Look for gnutar/gtar before invocation to avoid ugly error
 202     # messages.
 203     if (gnutar --version > /dev/null 2>&1); then
 204        gnutar ${1+"$@"} && exit 0
 205     fi
 206     if (gtar --version > /dev/null 2>&1); then
 207        gtar ${1+"$@"} && exit 0
 208     fi
 209     firstarg="$1"
 210     if shift; then
 211         case "$firstarg" in
 212         *o*)
 213             firstarg=`echo "$firstarg" | sed s/o//`
 214             tar "$firstarg" ${1+"$@"} && exit 0
 215             ;;
 216         esac
 217         case "$firstarg" in
 218         *h*)
 219             firstarg=`echo "$firstarg" | sed s/h//`
 220             tar "$firstarg" ${1+"$@"} && exit 0
 221             ;;
 222         esac
 223     fi
 224
 225     echo 1>&2 "\
 226 WARNING: I can't seem to be able to run \`tar' with the given arguments.
 227          You may want to install GNU tar or Free paxutils, or check the
 228          command line arguments."
 229     exit 1
 230     ;;
 231
 232   *)
 233     echo 1>&2 "\
 234 WARNING: \`$1' is needed, and you do not seem to have it handy on your
 235          system.  You might have modified some files without having the
 236          proper tools for further handling them.  Check the \`README' file,
 237          it often tells you about the needed prerequirements for installing
 238          this package.  You may also peek at any GNU archive site, in case
 239          some other package would contain this missing \`$1' program."
 240     exit 1
 241     ;;
 242 esac
 243
 244 exit 0